co.chelan.wa.us XSS vulnerability

Vulnerable URL: http://www.co.chelan.wa.us/search/keyword?keywords=derp " Details: Description| Value ---|--- Patched:| No Latest check for patch:| 26.07.2017 Vulnerability type:| XSS Vulnerability status:| Publicly disclosed Alexa Rank| Unknown / Not calculated Google Pagerank| 5 VIP website...